Air-thrust vehicle

a technology of air-thrust and light boats, which is applied in the field of boats, can solve the problems of traumatic injuries to operators and passengers, damage to the root structure of vegetation growing in the mud, and hazardous navigation in conventional watercraft, and achieves the effect of convenient mounting and dismounting

Active Publication Date: 2012-05-01
SHALLOW WATER SPIDER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0010]It is another object of the invention to provide a mounting assembly for an air-thrust mechanism to allow easy mounting and dismounting of a fan motor on a stern of a boat.

Problems solved by technology

In swamps and other shallow waterways, such as exist in Florida and Louisiana, grasses and underwater vegetation make navigation in conventional water craft hazardous and difficult.
One of the disadvantages of using boats with outboard motors is that they use the same trail numerous times; every time they pass it is easier and less resistance, but it damages the root structure of the vegetation growing in the mud.
The engine and propeller of an air boat are typically enclosed in a protective metal cage that prevents objects, e.g., tree limbs, branches, user's clothing or wildlife from coming in contact with the whirling propeller, which could cause devastating damage to the vessel and traumatic injury to the operator and passengers.
The factory-built air boats are relatively expensive.

Method used

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Examples

Experimental program
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Embodiment Construction

[0031]Turning now to the drawings in more detail, numeral 10 designates a boat, to the gunwale 12 of which an air-thrusting propulsion unit 14 is mounted. The boat 10 has an aft or stern area 16, where a steering unit 18 is positioned forwardly of the propulsion unit 14. The shallow-water boat 10 has a hull 20 with a flat bottom 22. The boat 10 is a low-sided boat; it is built to cruise along the edges of lakes and in small back alley waterways. Such boats are particularly beneficial in areas with dense vegetation since the air-thrusting propulsion unit 14 is mounted above the water line.

[0032]The engine 24 rests on an engine mount plate 26, which is detachably secured to the bottom of the engine 24 by a plurality of bolts 26 extending through washers 27 and nuts 28. Generally, the engine 24 is positioned low with respect to the hull 20 of the boat 10 so as to lower the center of gravity of the propulsion unit 14.

[0033]A pair of hollow machined steel cone mount receivers 30 is secur...

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PUM

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Abstract

An air-thrust marine vehicle has a hull with upwardly extending hull sides. An air-thrusting propulsion unit is configured for detachable mounting on the gunwales of various width hulls. The propulsion unit has a base assembly configured to move between a retracted position and plurality of expanded width positions for accommodating various width hulls, while being configured to hingedly engage the gunwales. The propulsion unit can be removed from the vehicle and positioned on another vehicle, such as a boat, an ice- or snow-traversing vehicle.

Description

BACKGROUND OF THE INVENTION[0001]The present invention relates to vehicles that are propelled by air-thrusting mechanisms and, more particularly, to a flat-bottomed light boat with a fan propeller designed for flotation in shallow waters. This invention also pertains to a propulsion unit that moves the air-thrust vehicle.[0002]Air-thrusting water craft serve unique purposes along water courses that are difficult to navigate by standard water vehicles. In swamps and other shallow waterways, such as exist in Florida and Louisiana, grasses and underwater vegetation make navigation in conventional water craft hazardous and difficult. One of the disadvantages of using boats with outboard motors is that they use the same trail numerous times; every time they pass it is easier and less resistance, but it damages the root structure of the vegetation growing in the mud. The current churns up the mud, loosens it up and more of it will wash out when the tide goes out. The air-thrusting mechani...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): B63H7/00
CPCB63H7/02B63H25/10
Inventor ROBICHEAUX, MARK JOSEPH
Owner SHALLOW WATER SPIDER
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